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ALIGNMENT
INSTRUCTIONS
SECTION
terminal
of
f ront-end
f
rom
lN
SELECTOR
..,..
FM
MONO
MUTING
.....
..
OFF
Volume
Control
Setting:
Fully
Counterclockwrse
ALIGNMENT
OF
FM
Disconnect
OUTPUT
Position
of
Switch:
terminal
of
lF
unit
A
lignment
Input
L evel
D ial
Setting
O
ut
Put
EquiPment
C
onnect
ions
STEPS
A
dj
ust
R emarks
E
qu
ipment
C
onnect
tons
F requencY
iil""
Unit
Adjust
for
maxlmum
sensitivitY
and
sYmme'
trical
characteristics
Sweep
Generator
lN
terminal
of
lF
unit
10.7MHz
40dB
O
scilloscope
,4-h
\9
termrnal
Check
sYmmetrY
of
curve
2
80dB
MIF
niI
4.7
FF
in
detector
clrcu
O
scilloscoPe
OUT
terminat
3
Remove
electrolytlc
caf
'acitor C
rz
(ol
T+
of
lF
Unit
Adjust
the
Primary
core
of
T
a
so
that
slope
of
straight
Portion
of
:
S"
curve
will
become
the
steepest
and
adjust
the
secondarY
core
so
that
the
center
of
:
S"
curve
will
coincide
with
the
center
of
the
marker'
A
SweeP
Generator
I I
lN
terminal
|
10
TMHZ
I
of
lF
unit
I
I
connect
OUTPUT
terminal
of
front-e
40dB
nd
to
lN
terminal
of
lF
unit
__------..-
lAdiust
for
maxrmum
lsensitivitY
and
sYmme
I trical
characteristics
5
Sweep
Generator
10.7MHz
Point
of
no
Inter-
ference
as
near
as
88MHz
O
scilloscope
@
term
inal
Tz
oI
front-end
6
4 0dB
Check
symme
try
of
curve
I
OF
--
TP of
F
ront
O
scil
loscope
OUT
terminal
Tq
of
lF
Unit
sim
ilarlY
8
end
capacitor
C
t,
\
4.7
ltF
)
--
^;--1
;"tsq-
-]
Adjust
for
maxlmum
deflection
9
10
Connect
electrolY
trc
G t l-;;l
,.."
90MHz
O
scil
loscoPe
'.](+ooH
f::
CT
+
of
front-end
1l
termrnal
lr11i
I
our
t
I
Lr.
rl,
I
| :
OT
f ront
-end
Adjust
to(
maxlmum
deflection
I2
FM
Antenna
terminal
Repeat
STEPS
j
1
o6MHz
L3
and
14
several
l
0dB
(400H
30,,/o
)
IO6MHz
I
OscilloscoPe
]
VTVM
OUT
termtnat
i3
Qf',
CTz,
CT:
of
front-end
l4
limes
15